Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The transition into December involves a small decrease in the average high-temperature, dipping slightly from a pleasant 68°F (20°C) in November to a comfortable 61.7°F (16.5°C). Throughout December, Ossun anticipates an average low-temperature of 47.3°F (8.5°C).Humidity
In Ossun, the average relative humidity in December is 81%.Rainfall
In Ossun, during December, the rain falls for 14.5 days and regularly aggregates up to 3.39" (86mm) of precipitation. In Ossun, during the entire year, the rain falls for 170.6 days and collects up to 35.79" (909mm) of precipitation.Snowfall
Months with snowfall are January and December. December is the first month it typically snows in Ossun. Throughout December, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. In Ossun, during the entire year, snow falls for 0.5 days and aggregates up to 0.2" (5mm) of snow.Daylight
The month with the shortest days is December, with an average of 10h and 12min of daylight.On the first day of the month, sunrise is at 6:47 am and sunset at 5:07 pm. On the last day of December, sunrise is at 7:04 am and sunset at 5:18 pm CST.
Sunshine
December has the least sunshine of the year in Ossun, with an average of 5h of sunshine.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 3 in December interprets into the following advice:
Make use of precautions - It is urged to ward off sun damage. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How much does it rain in December?
When does it start to snow?
What is the month with the shortest days?
How many hours of daylight does Ossun have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Ossun, LA
- Average high temperature in December: 61.7°F
The warmest months (with the highest average high temperature) are July and August (90°F).
The month with the lowest average high temperature is January (58.6°F).
- Average low temperature in December: 47.3°F
The month with the highest average low temperature is August (74.1°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).
Average pressure in December
Ossun, LA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Ossun, LA
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and September (5.2mph).
Average humidity in December
Ossun, LA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Ossun, LA
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is November (2.13").
Average rainfall days in December
Ossun, LA
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is August (19.9 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in December
Ossun, LA
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Ossun, LA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Ossun, LA
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Ossun, LA
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is August (9.8 days).
Average UV index in December
Ossun, LA
- Average UV index in December: 3
The months with the highest UV index are May, June and July (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Ossun, LA
- Average cloud cover in December: 47
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 26).
Average visibility in December
Ossun, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).
Ossun, Louisiana, USA
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